<template>

  <el-row :gutter="20">
    <el-col :span="6">
      <div class="grid-content bg-purple">

        <!--  调用组件  三级分类组件   
                 子组件向上散发了一个事件tree-node-click， 父组件接收到这个事件（绑定自己的方法），接收到数据后，并执行相应的操作
                父组件 传递数据给子组件  子组件给父组件传递数据  事件机制
        -->
        <category @tree-node-click="treeNodeClick"></category>
      </div>
    </el-col>
    <el-col :span="18">

      <!--      表格数据  -->
      <!--        栅格系统  -->
      <div class="mod-config">
        <el-form :inline="true" :model="dataForm" @keyup.enter.native="getDataList()">
          <el-form-item>
            <el-input v-model="dataForm.key" placeholder="参数名" clearable></el-input>
          </el-form-item>
          <el-form-item>
            <el-button @click="getDataList()">查询</el-button>
            <el-button type="success" @click="getAllDataList()">查询全部</el-button>
            <el-button v-if="isAuth('product:attrgroup:save')" type="primary" @click="addOrUpdateHandle()">新增
            </el-button>
            <el-button v-if="isAuth('product:attrgroup:delete')" type="danger" @click="deleteHandle()" :disabled="dataListSelections.length <= 0">批量删除
            </el-button>
          </el-form-item>
        </el-form>
        <el-table :data="dataList" border v-loading="dataListLoading" @selection-change="selectionChangeHandle" style="width: 100%;">
          <el-table-column type="selection" header-align="center" align="center" width="50"></el-table-column>
          <el-table-column prop="attrGroupId" header-align="center" align="center" label="分组id"></el-table-column>
          <el-table-column prop="attrGroupName" header-align="center" align="center" label="组名"></el-table-column>
          <el-table-column prop="sort" header-align="center" align="center" label="排序"></el-table-column>
          <el-table-column prop="descript" header-align="center" align="center" label="描述"></el-table-column>
          <el-table-column prop="icon" header-align="center" align="center" label="组图标"></el-table-column>
          <el-table-column prop="catelogId" header-align="center" align="center" label="所属分类id"></el-table-column>
          <el-table-column fixed="right" header-align="center" align="center" width="150" label="操作">
            <template slot-scope="scope">
              <el-button type="text" size="small" @click="relationHandle(scope.row.attrGroupId)">关联</el-button>
              <el-button type="text" size="small" @click="addOrUpdateHandle(scope.row.attrGroupId)">修改
              </el-button>
              <el-button type="text" size="small" @click="deleteHandle(scope.row.attrGroupId)">删除</el-button>
            </template>
          </el-table-column>
        </el-table>
        <el-pagination @size-change="sizeChangeHandle" @current-change="currentChangeHandle" :current-page="pageIndex" :page-sizes="[10, 20, 50, 100]" :page-size="pageSize" :total="totalPage"
          layout="total, sizes, prev, pager, next, jumper"></el-pagination>
        <!-- 弹窗, 新增 / 修改 -->
        <add-or-update v-if="addOrUpdateVisible" ref="addOrUpdate" @refreshDataList="getDataList"></add-or-update>

        <!-- 修改关联关系 -->
        <relation-update v-if="relationVisible" ref="relationUpdate" @refreshData="getDataList"></relation-update>
      </div>

    </el-col>

  </el-row>

</template>

<script>

/**
 *  父子组件 传递数据
 *    1. 子组件给父组件传递数据，事件机制
 *      子组件给父组件发送一个事件，携带上数据， 父组件感知到这个事件来接受数据
 *
 *      this.$emit("事件名",携带的数据... );
 *
 *
 *
 */

// 这里可以导入其他组件（比如：组件，工具.js) 第三方插件js json 文件， 图片文件等
// 例如： import 《组件名称》 from  "《组件路径》"
// 导入编写的 三级分类组件 
import Category from '../common/category'
import AddOrUpdate from './attrgroup-add-or-update'
import relationUpdate from './attr-group-relation'

export default {
  name: "attrgroup",
  components: {
    // 在 组件中 注入 
    Category, AddOrUpdate, relationUpdate
  },
  props: {},
  //
  data() {
    return {
      catId: 0,
      dataForm: {
        key: ""
      },
      dataList: [],
      pageIndex: 1,
      pageSize: 10,
      totalPage: 0,
      dataListLoading: false,
      dataListSelections: [],
      addOrUpdateVisible: false,
      relationVisible: false
    }
  },
  // 生命周期 创建完成  可以访问当前 this 实例
  created() {

  },
  mounted() {


  }
  ,
  beforeCreate() {
  }
  ,
  beforeDestroy() {
  }
  ,
  beforeMount() {
  }
  ,
  beforeUpdate() {
    // 生命周期 更新之前
  }
  ,
  updated() {
    // 生命周期 更新之后
  },
  activated() {
    this.getDataList();
  },
  // 方法集合
  methods: {
    // 感知树节点被 点击了
    treeNodeClick(data, node, component) {

      console.log("attrgroup感知到category的节点被点击了！", data, node, component)
      console.log("刚刚被点击的菜单id", data.catId, data.catLevel)
      if (node.level == 3) {
        this.catId = data.catId;
        this.getDataList();
      }
    },
    //处理分组与属性的关联
    relationHandle(groupId) {
      this.relationVisible = true;
      this.$nextTick(() => {
        this.$refs.relationUpdate.init(groupId);
      });
    },
    //感知树节点被点击
    treenodeclick(data, node, component) {
      if (node.level == 3) {
        this.catId = data.catId;
        this.getDataList(); //重新查询
      }
    },
    getAllDataList() {
      this.catId = 0;
      this.getDataList();
    },
    // 获取数据列表
    getDataList() {
      this.dataListLoading = true;
      this.$http({
        url: this.$http.adornUrl(`/product/attrgroup/list/${this.catId}`),
        method: "get",
        params: this.$http.adornParams({
          page: this.pageIndex,
          limit: this.pageSize,
          key: this.dataForm.key
        })
      }).then(({ data }) => {
        // .log("获取分组列表成功", data);
        if (data && data.code === 0) {
          this.dataList = data.data.list;
          this.totalPage = data.data.totalCount;

        } else {
          this.dataList = [];
          this.totalPage = 0;
        }
        this.dataListLoading = false;
      });
    },
    // 每页数
    sizeChangeHandle(val) {
      this.pageSize = val;
      this.pageIndex = 1;
      this.getDataList();
    },
    // 当前页
    currentChangeHandle(val) {
      this.pageIndex = val;
      this.getDataList();
    },
    // 多选
    selectionChangeHandle(val) {
      this.dataListSelections = val;
    },
    // 新增 / 修改
    addOrUpdateHandle(id) {
      this.addOrUpdateVisible = true;
      this.$nextTick(() => {
        this.$refs.addOrUpdate.init(id);
      });
    },
    // 删除
    deleteHandle(id) {
      var ids = id
        ? [id]
        : this.dataListSelections.map(item => {
          return item.attrGroupId;
        });
      this.$confirm(
        `确定对[id=${ids.join(",")}]进行[${id ? "删除" : "批量删除"}]操作?`,
        "提示",
        {
          confirmButtonText: "确定",
          cancelButtonText: "取消",
          type: "warning"
        }
      ).then(() => {
        this.$http({
          url: this.$http.adornUrl("/product/attrgroup/delete"),
          method: "post",
          data: this.$http.adornData(ids, false)
        }).then(({ data }) => {
          if (data && data.code === 0) {
            this.$message({
              message: "操作成功",
              type: "success",
              duration: 1500,
              onClose: () => {
                this.getDataList();
              }
            });
          } else {
            this.$message.error(data.msg);
          }
        });
      });
    }
  }
}
</script>


<style scoped lang="scss">
</style>
